Assignee
Inventors
- Katsuyuki Hirata (33 patents)
- Tetsuya Sakai (79 patents)
- Tatsuya Isono (9 patents)
- Hironori Akashi (16 patents)
- Toshio Tsuboi (34 patents)
- Takashi Harashima (26 patents)
- Masaki Tanaka (141 patents)
US Patent 7149439 · Granted Dec 12, 2006